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Disconnect the connector from the PRIMARY winding of the hi-voltage transformer.
Using the multimeter check if there is 120VAC across this contacts when the m/w is started.

If the correct voltage is present and you replaced transformer, capacitor and magnetron - check the diod and all wiring according the diagram.

Post the results.

Simon.

__________________Find Appliance Parts at AppliancePartsPros.com - Largest inventory in the U.S. with 91% of all in-stock orders delivered within 2 business days. Thousands of photos and diagrams make it very easy to find the right part. Enter your appliance model here.

__________________Find Appliance Parts at AppliancePartsPros.com - Largest inventory in the U.S. with 91% of all in-stock orders delivered within 2 business days. Thousands of photos and diagrams make it very easy to find the right part. Enter your appliance model here.

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